Mower blade assembly



FIG. 1 is a top plan view of a mower blade assembly showing our newdesign;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front side elevational view thereof; and,

FIG. 4 is a side elevational view thereof.

The broken lines depict portions of the mower blade assembly that formno part of the claimed design.

CLAIM The ornamental design for a mower blade assembly, as shown and described. 